package file;

import java.io.File;
import java.io.IOException;
import java.util.Scanner;

public class Test05 {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        while (true){
            System.out.println("请输入文件名:");
            String in = scan.nextLine();
            File file = new File("./"+in+".txt");
            if (file.exists()){
                System.out.println("文件名已存在请重新输入");
            }else{
                file.createNewFile();
                System.out.println("文件创建成功");
                break;
            }

        }
    }
}
